B-[1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]boronic acid

[1-甲基-3-(2-噻吩基)-1H-吡唑-5-基]硼酸

B-[1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]boronic acid (CAS 1345118-76-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9BN2O2S and a molecular weight of 208.05 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1345118-76-4
Jingsj CID: J-771526-8
Molecular Formula: C₈H₉BN₂O₂S
Chinese Name: [1-甲基-3-(2-噻吩基)-1H-吡唑-5-基]硼酸
Molecular Weight: 208.05 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of B-[1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]boronic acid?

The CAS number of B-[1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]boronic acid is 1345118-76-4.

What are the molecular formula and molecular weight of B-[1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]boronic acid?

B-[1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]boronic acid has molecular formula C8H9BN2O2S and molecular weight 208.05 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "B-[1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]boronic acid (CAS 1345118-76-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-771526-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.